A male newborn is delivery at 38 weeks following uncomplicated preganancy.Twelve hours later,he begins sucking frantically and cries inconsolably.He overreacts to stimuli around him and has a marked startle response.The symptoms slowly resolve over the next 2- 3 weeks.The most likely explanation of these symptoms is maternal use of which of the following substances during pregnancy?
A.Alcohol
B.Heroin
C.LSD
D.Mariuana
E.Psilocybin